Quarterly Results of Operations (Parenthetical) (Detail) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Quarterly Financial Information [Line Items]
Rationalization charges	$ 2,900,000	$ 2,000,000	$ 200,000	$ 3,600,000	$ 2,900,000	$ 600,000	$ 2,400,000	$ 1,700,000	$ 8,660,000	$ 7,717,000	$ 22,214,000
Plant start-up costs	2,100,000	1,400,000	1,900,000	1,000,000
Cost incurred for announcement of acquisition		800,000	700,000					1,800,000
Losses on early extinguishment of debt				(38,700,000)		(1,000,000)			(38,704,000)	(976,000)	(7,548,000)
Income as result of proceeds received from termination of the Graham Packaging merger agreement net of costs							27,000,000
Charge related to resolution of past product liability dispute							$ 3,300,000